Eye Moistness Or Dryness

What Causes Watery Eyes Or Dry Eyes?

Watery eyes or dry eyes can have various causes, ranging in severity from 'worrying' to 'needs attention'.  Finding the true cause means ruling out or confirming each possibility – in other words, diagnosis.

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  • check your overall health status
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Diagnosis is usually a complex process due to the sheer number of possible causes and related symptoms.  In order to diagnose watery eyes or dry eyes, we could:

  • Research the topic
  • Find a doctor with the time
  • Use a diagnostic computer system.
The process is the same, whichever method is used.

Step 1: List all Possible Causes

We begin by identifying the disease conditions which have "watery eyes or dry eyes" as a symptom.  Here are eight of many possibilities:
  • Iritis
  • Sjogren's Syndrome
  • Rheumatoid Arthritis
  • Dehydration
  • Juvenile Rheumatoid Arthritis
  • Sarcoidosis
  • Dry Eye
  • Low Estrogens

Step 2: Build a Symptom Checklist

We then identify all possible symptoms and risk factors of each possible cause, and check the ones that apply:
having hot flashes
rheumatoid arthritis
frequent painful inguinal nodes
long term neck pain
vision disturbances
moderate eye discharge
high alcohol consumption
being easily irritated
dark urine color
hot flashes between period
severe tongue swelling
very bloodshot eyes
... and more than 90 others

Step 3: Rule Out or Confirm each Possible Cause

A differential diagnosis of your symptoms and risk factors finds the likely cause of watery eyes or dry eyes:
Cause Probability Status
Iritis 98% Confirm
Rheumatoid Arthritis 29% Unlikely
Dry Eye 20% Unlikely
Low Estrogens 2% Ruled out
Juvenile Rheumatoid Arthritis 2% Ruled out
Dehydration 0% Ruled out
Sjogren's Syndrome 0% Ruled out
Sarcoidosis 0% Ruled out
* This is a simple example to illustrate the process

Arriving at a Correct Diagnosis

The Analyst™ is our online diagnosis tool that learns all about you through a straightforward process of multi-level questioning, providing diagnosis at the end.

In the Eyes/Ocular Symptoms section of the questionnaire, The Analyst™ will ask the following question about eye moistness or dryness:
How moist do your eyes tend to be?
Possible responses:
→ Usually very dry, I need eye drops
→ Sometimes slightly dry
→ About average / don't know
→ Sometimes slightly too moist / watery
→ Usually watery / too moist, causing teariness
Based on your response to this question, which may indicate very dry eyes, dry eyes, watery eyes or very watery eyes, The Analyst™ will consider possibilities such as:

The body's response to dehydration is to conserve as much fluid as possible, including fluid in the eyes, which can lead to dry eyes.

Rheumatoid Arthritis

"Dry eye" is a symptom of certain autoimmune diseases like rheumatoid arthritis and Sjogren's syndrome.


Red and teary eyes or blurred vision are common symptoms.

Sjogren's Syndrome

"Dry eye" is a symptom of certain autoimmune diseases like rheumatoid arthritis and Sjogren's syndrome, in which the body's immune system mistakenly attacks the tear ducts and saliva glands.

... and also rule out issues such as:
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